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Old 03-05-2009, 03:51 PM
Graham Graham is offline
Motorized Bicycle Member
Join Date: Jan 2009
Location: boston, ma
Posts: 32
Default top end acceleration issues

Bike starts up fine, acceleration sounds normal, but when I top out It sounds as if the engine is struggling in an odd way. It vibrates a lot and sounds like the rpm goes out of whack what could this be contributed to?
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